Package io.trino.memory

Class QueryContext

java.lang.Object

io.trino.memory.QueryContext

@ThreadSafe
public class QueryContext
extends Object

Constructor Summary

Constructors

Constructor	Description
QueryContext(QueryId queryId, io.airlift.units.DataSize maxUserMemory, io.airlift.units.DataSize maxTotalMemory, Optional<io.airlift.units.DataSize> maxTaskMemory, MemoryPool memoryPool, io.airlift.stats.GcMonitor gcMonitor, Executor notificationExecutor, ScheduledExecutorService yieldExecutor, io.airlift.units.DataSize maxSpill, SpillSpaceTracker spillSpaceTracker)

Method Summary

Modifier and Type	Method	Description
<C, R> R	accept(QueryContextVisitor<C,R> visitor, C context)
<C, R> List<R>	acceptChildren(QueryContextVisitor<C,R> visitor, C context)
TaskContext	addTaskContext(TaskStateMachine taskStateMachine, Session session, Runnable notifyStatusChanged, boolean perOperatorCpuTimerEnabled, boolean cpuTimerEnabled)
void	freeSpill(long bytes)
long	getMaxTotalMemory()
long	getMaxUserMemory()
MemoryPool	getMemoryPool()
QueryId	getQueryId()
TaskContext	getTaskContextByTaskId(TaskId taskId)
void	initializeMemoryLimits(boolean resourceOverCommit, long maxUserMemory, long maxTotalMemory, Optional<io.airlift.units.DataSize> maxTaskMemory)
boolean	isMemoryLimitsInitialized()
com.google.common.util.concurrent.ListenableFuture<Void>	reserveSpill(long bytes)
void	setMemoryPool(MemoryPool newMemoryPool)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

QueryContext

public QueryContext(QueryId queryId,
 io.airlift.units.DataSize maxUserMemory,
 io.airlift.units.DataSize maxTotalMemory,
 Optional<io.airlift.units.DataSize> maxTaskMemory,
 MemoryPool memoryPool,
 io.airlift.stats.GcMonitor gcMonitor,
 Executor notificationExecutor,
 ScheduledExecutorService yieldExecutor,
 io.airlift.units.DataSize maxSpill,
 SpillSpaceTracker spillSpaceTracker)

Method Details

isMemoryLimitsInitialized

public boolean isMemoryLimitsInitialized()

initializeMemoryLimits

public void initializeMemoryLimits(boolean resourceOverCommit,
 long maxUserMemory,
 long maxTotalMemory,
 Optional<io.airlift.units.DataSize> maxTaskMemory)

getMaxUserMemory

public long getMaxUserMemory()

getMaxTotalMemory

public long getMaxTotalMemory()

getQueryId

public QueryId getQueryId()

reserveSpill

public com.google.common.util.concurrent.ListenableFuture<Void> reserveSpill(long bytes)

freeSpill

public void freeSpill(long bytes)

setMemoryPool

public void setMemoryPool(MemoryPool newMemoryPool)

getMemoryPool

public MemoryPool getMemoryPool()

addTaskContext

public TaskContext addTaskContext(TaskStateMachine taskStateMachine,
 Session session,
 Runnable notifyStatusChanged,
 boolean perOperatorCpuTimerEnabled,
 boolean cpuTimerEnabled)

accept

public <C,
R> R accept(QueryContextVisitor<C,R> visitor,
 C context)

acceptChildren

public <C,
R> List<R> acceptChildren(QueryContextVisitor<C,R> visitor,
 C context)

getTaskContextByTaskId

public TaskContext getTaskContextByTaskId(TaskId taskId)